GMAT全真模拟考试题及详细答案解析

GMAT全真模拟考试题及详细答案解析本套试题严格参照GMAT官方考试题型、难度及出题逻辑编制，包含定量推理（数学）、文本逻辑推理（语文）两大核心模块，题型覆盖数据充分性分析、问题求解、句子改错、批判性推理、阅读理解，适配备考自测使用，解析详细易懂，贴合实战解题思路。考试说明1.定量推理（Quantitative）：共20题，满分51分，考试时长建议35分钟2.文本逻辑推理（Verbal）：共20题，满分51分，考试时长建议35分钟3.题型配比、难度梯度与官方正式考试一致，可用于模考自测第一部分定量推理（Quantitative）包含问题求解（PS）、数据充分性（DS）两类题型，所有题目均为单选一、问题求解（PS1-10题）1.Iftheaverageoffiveconsecutiveintegersis28,whatisthelargestofthesefiveintegers?A.29B.30C.31D.32E.332.Astoresellsajacketata20%discountofftheoriginalprice.Ifthediscountedpriceis$120,whatistheoriginalpriceofthejacket?A.$140B.$144C.$150D.$160E.$1803.Theratioofthenumberofboystogirlsinaclassis3:4.Ifthereare12boys,howmanystudentsarethereintotalintheclass?A.16B.24C.28D.32E.364.Whatisthevalueof23A.6B.12C.18D.24E.365.Acirculargardenhasaradiusof6meters.Whatistheapproximateareaofthegarden?(Takeπ=3.14)A.18.84㎡B.37.68㎡C.113.04㎡D.226.08㎡E.452.16㎡6.Tominvests$5000inabankaccountwithasimpleannualinterestrateof4%.Howmuchtotalmoneywillhehaveafter3years?A.$5200B.$5400C.$5600D.$5800E.$60007.If3x−7=20,whatisthevalueofx?A.7B.8C.9D.10E.118.Ateamwon15outof25gamesinaseason.Whatisitswinningpercentage?A.50%B.55%C.60%D.65%E.70%9.Theproductoftwopositiveintegersis48,andtheirdifferenceis2.Whatisthelargerinteger?A.6B.8C.10D.12E.1610.Apipecanfillatankin8hours,andanotherpipecanfillthesametankin12hours.Workingtogether,howmanyhourswillittaketofillthetank?A.4.2B.4.8C.5.2D.5.6E.6.0二、数据充分性（DS11-20题）答题规则：每道题目包含题干和两个条件（1）（2），请根据条件判断数据充分性A.仅条件（1）充分，条件（2）不充分B.仅条件（2）充分，条件（1）不充分C.条件（1）（2）单独均不充分，联合充分D.条件（1）（2）单独均充分E.条件（1）（2）联合仍不充分11.Whatisthevalueofintegern?（1）2n+4=18（2）n12.Isx>y?（1）x+2>y+1（2）2x>2y13.Whatistheperimeterofasquare?（1）Theareaofthesquareis36.（2）Thesidelengthofthesquareis6.14.Howmanystudentspassedtheexaminaclass?（1）Thereare40studentsintheclass.（2）Thenumberoffailedstudentsis1/4oftotalstudents.15.Whatisthevalueofab?（1）a=3（2）a+b=716.Isthepositiveintegerkanevennumber?（1）k+3isodd（2）2kiseven17.Whatistheaverageofa,b,c?（1）a+b+c=24（2）a=b=c18.DoeslineLpassthroughtheorigin?（1）TheslopeoflineLis2.（2）LineLpassesthroughpoint(1,2).19.Whatisthepriceofoneapple?（1）3applesand2orangescost$8.（2）2applesand2orangescost$6.20.Isxapositivenumber?（1）x2>0第二部分文本逻辑推理（Verbal）包含句子改错（SC）、批判性推理（CR）、阅读理解（RC）三类题型，所有题目均为单选一、句子改错（SC1-8题）请选出替换划线部分的最优选项，保证语句语法正确、逻辑通顺、表达简洁规范1.Thecompanyhasexpandeditsbusiness,improvesitsservice,andgainedmorecustomersinthepasttwoyears.A.hasexpandeditsbusiness,improvesB.expandeditsbusiness,improvesC.hasexpandeditsbusiness,improvedD.expandsitsbusiness,improvedE.hasexpandeditsbusiness,improving2.Unliketraditionalbooks,e-booksallowreadersaccessingmassiveresourcesanytimeandanywhere.A.allowreadersaccessingB.allowreaderstoaccessC.allowsreadersaccessingD.allowsreaderstoaccessE.allowreadersaccess3.Thereasonfortheprojectdelayisbecausetheteamlackedsufficientpreparationandrawmaterials.A.isbecausetheteamlackedB.isthattheteamlackedC.becausetheteamlackedD.isduetotheteamlackingE.iswhytheteamlacked4.Walkingalongtheriver,thebeautifulsceneryattractedallthetourists.A.Walkingalongtheriver,thebeautifulsceneryB.Walkingalongtheriver,allthetouristswereattractedbythebeautifulsceneryC.Thebeautifulscenery,walkingalongtheriver,D.AllthetouristswalkingalongtheriverattractingE.Walkingalongtheriver,thesceneryofbeauty5.Theresearcherfoundthatpeoplewhoexerciseregularlyaremorelikelystayinghealthythanthosewhodonot.A.aremorelikelystayingB.ismorelikelystayingC.aremorelikelytostayD.ismorelikelytostayE.morelikelystay6.Neitherthemanagernorthestaffissatisfiedwiththenewworkingpolicy.A.issatisfiedwithB.aresatisfiedwithC.wassatisfiedforD.weresatisfiedwithE.issatisfyingwith7.Thesalesvolumeofthismonthishigherthanlastmonth.A.higherthanlastmonthB.higherthanthatoflastmonthC.morehigherthanlastmonthD.higherthanthoseoflastmonthE.greaterthanlastmonth8.Tolearnaforeignlanguagewell,persistenceisneededeveryday.A.persistenceisneededB.oneneedstobepersistentC.itneedspersistenceD.persistenceisrequiredE.youneedbeingpersistent二、批判性推理（CR9-14题）请根据题干论证逻辑，选出最符合题目要求的选项9.Acaféownerfindsthatondayswhenhesellsmorecoffee,healsosellsmorecakes.Heconcludesthatbuyingcoffeemakescustomerswanttobuycakes.Whichofthefollowingmostweakenshisconclusion?A.MostcustomerswhobuycakesdonotbuycoffeeB.WeekendcustomersconsumemorecoffeeandcakesthanweekdaycustomersC.Thecafé’scoffeeandcakesarebothpricedlowerthannearbystoresD.CustomerswhocomeforcakesoftenpurchasecoffeetomatchE.Thecaféhaslimitedtypesofdrinksbesidescoffee10.Companiesthatprovideemployeetrainingprogramshavehigherstaffretentionratesthancompaniesthatdonot.Therefore,employeetrainingprogramshelpreducestaffturnover.Whichofthefollowingstrengthenstheargument?A.MostemployeesleavejobsbecauseoflowsalaryB.Trainingprogramsimproveemployees’jobsatisfactionandsenseofbelongingC.LargecompaniesaremorewillingtosetuptrainingprogramsD.StaffturnoverratesvarygreatlyacrossdifferentindustriesE.Trainingprogramscostcompaniesalargeamountofmoney11.Localgovernmentplanstobuildanewsubwaylinetoreduceurbantrafficcongestion.However,someresidentsarguethatthenewsubwaywillnoteasecongestion,becausemorepeoplewillchoosetotravelbysubwayandroadtrafficwillnotdecreasesignificantly.Whichofthefollowingistheassumptionoftheresidents’argument?A.ThenewsubwaylinewillcovermostbusyurbanroadsB.ThenumberofprivatecartravelerswillnotdropobviouslyC.PublictransportcapacityisalreadysufficientfordailytravelD.SubwayconstructionwillblockpartialroadtraffictemporarilyE.Mostresidentsprefersubwaytraveltodrivingcars12.Astudyshowsthatpeoplewhodrinkgreentearegularlyhavelowerratesofheartdisease.Researchersconcludethatgreenteaprotectshumanhearthealth.Whichoptionweakenstheconclusion?A.GreenteacontainsantioxidantsbeneficialtohumanbodiesB.PeoplewhodrinkgreentearegularlyusuallykeepahealthierlifestyleoverallC.Greenteaispopularamongmiddle-agedandelderlypeopleD.SomepeopledrinkgreenteabutstillsufferfromheartdiseaseE.Heartdiseaseisaffectedbymultiplegeneticfactors13.Toimprovestudents’readingability,aschoolrequiresallstudentstoreadoneclassicbookeverymonth.Afteronesemester,students’readingtestscoreshaveimprovedgreatly.Theschoolbelievesthemandatoryreadingrulecausesthescoreimprovement.Whichofthefollowingsupportsthebelief?A.StudentshadnoextrareadingtrainingduringthesemesterB.ThereadingtestdifficultywaslowerthanlastsemesterC.MoststudentslikedtheclassicbooksarrangedbytheschoolD.Teachersincreasedafter-schoolhomeworkforstudentsE.Students’mathscoresalsoimprovedinthesemester14.Onlineshoppinghasbecomeincreasinglypopular,leadingtothedeclineofphysicalretailstores.Manypeoplepredictthatphysicalstoreswilleventuallybereplacedbyonlineshopping.Whichofthefollowingmostunderminestheprediction?A.OnlineshoppinghasproblemssuchasfakegoodsanddelayeddeliveryB.PhysicalstorescanproviderealexperienceandimmediateservicethatonlineshoppingcannotofferC.ManyconsumerschoosebothonlineandofflineshoppingD.TheoperatingcostofphysicalstoresishigherthanonlinestoresE.Thedevelopmentofonlineshoppingisrestrictedbynetworktechnology三、阅读理解（RC15-20题）PassageSustainablebusinessdevelopmenthasbecomeacoretrendinglobaleconomicdevelopmentinrecentyears.Traditionalenterprisesusuallyfocussolelyonshort-termeconomicprofits,ignoringtheimpactofproductionandoperationontheecologicalenvironmentandsocialdevelopment.Thisextensivedevelopmentmodelhascausedmanyproblems,includingresourcewaste,environmentalpollutionandunbalancedregionaldevelopment.Incontrast,sustainableenterprisesbalanceeconomicbenefits,environmentalprotectionandsocialresponsibility.Theseenterprisesoptimizeproductionprocesses,reduceenergyconsumptionandpollutantemissions,andactivelyparticipateinpublicwelfareundertakings.Althoughsustainableoperationmayincreaseshort-termoperatingcostsforenterprises,itcaneffectivelyenhancebrandcredibility,stabilizecustomergroupsandformlong-termcompetitiveadvantagesinthemarket.Moreandmoreglobalconsumersandinvestorstendtochoosesustainablebrands.Governmentsofvariouscountrieshavealsointroducedrelevantpoliciestoencourageandsupportsustainablebusinesstransformation.Itispredictablethatsustainabledevelopmentwillnolongerbeanoptionalchoiceforenterprisesbutanecessaryconditionforlong-termsurvivalanddevelopmentinthefuturemarket.15.Whatisthemainpurposeofthepassage?A.TocriticizethedisadvantagesoftraditionaleconomicdevelopmentmodelsB.Toexplaintheconnotation,advantagesanddevelopmenttrendofenterprisesustainabledevelopmentC.TointroducepoliciesofdifferentcountriesonenvironmentalprotectionD.ToanalyzetheconsumptionhabitsofmodernglobalconsumersE.Tocomparetheoperatingcostsofdifferenttypesofenterprises16.Accordingtothepassage,whichofthefollowingisaproblemoftraditionalenterprisedevelopment?A.HighoperatingcostsB.InsufficientbrandcredibilityC.ResourcewasteandenvironmentalpollutionD.UnstablecustomergroupsE.Weakshort-termprofitability17.Thepassagesuggeststhatsustainableenterprisedevelopment______.A.onlybringslong-termbenefitswithnoshort-termcostsB.iswidelysupportedbyconsumersandpolicymakersC.hasbeenfullypopularizedinglobalenterprisesD.mainlyfocusesonreducingoperatingcostsE.isanoptionalchoiceformostenterprises18.Theword"extensive"inparagraph1isclosestinmeaningto______.A.inefficientB.comprehensiveC.rapidD.stableE.scientific19.Whichofthefollowingisalong-termadvantageofsustainableenterprises?A.ZerooperatingcostsB.NoneedtobearsocialresponsibilityC.StablemarketcompetitivenessD.SimplifiedproductionprocessesE.Highershort-termprofits20.Whatcanbeinferredfromthelastparagraph?A.AllenterpriseshavecompletedsustainabletransformationB.SustainabledevelopmentwillbeessentialforenterprisesurvivalC.GovernmentpoliciesaretheonlymotivationforsustainabledevelopmentD.ConsumerspaynoattentiontoenterpriseenvironmentalperformanceE.Sustainableenterpriseshavenomarketcompetitionpressure第三部分详细答案及逐题解析一、定量推理答案+解析PS题型1-101.答案：B解析：五个连续整数的平均值为中间数，即第三个数为28，五个数依次为26、27、28、29、30，最大数为30。2.答案：C解析：八折后价格为120，原价=120÷0.8=150美元。3.答案：C解析：男女比例3:4，男生12人，则每份为4人，女生16人，总人数12+16=28人。4.答案：B解析：原式=8×9÷6=72÷6=12。5.答案：C解析：圆面积公式S=πr²=3.14×36=113.04平方米。6.答案：D解析：单利利息=5000×4%×3=600，本息合计5000+600=5800美元。7.答案：C解析：3x=27，解得x=9。8.答案：C解析：胜率=15÷25×100%=60%。9.答案：B解析：两个数乘积48、差值2，可得6和8，较大数为8。10.答案：B解析：效率分别为1/8、1/12，合作效率=1/8+1/12=5/24，耗时=24/5=4.8小时。DS题型11-2011.答案：A解析：条件（1）可直接算出n=7，充分；条件（2）n=±7，数值不唯一，不充分。12.答案：B解析：条件（1）x-y＞-1，无法确定x＞y；条件（2）两边同除2，得x＞y，充分。13.答案：D解析：条件（1）面积36，边长6，周长24；条件（2）直接给出边长6，周长可求，二者均充分。14.答案：C解析：单独条件均不充分，联合可得不及格10人，及格30人，联合充分。15.答案：E解析：仅知a=3，a+b=7，可得b=4，但题干无唯一限定，无其他条件无法验证，联合也无法确定唯一结论（本题仅考查充分性，两个条件只能算出一组值，严格GMAT逻辑：无矛盾但仅一组值，本题标准答案为C，修正：联合可算出ab=12，充分